In 1755 the city of Lisbon was destroyed by a terrible earthquake. Almost 250 years later, an earthquake beneath the Indian Ocean unleashed a tsunami whose devastating effects were felt over a vast area. In each case, a natural catastrophe came to be interpreted as a consequence of human evil. Between these two events, two indisputably moral catastrophes occurred: Auschwitz and the bombing of Hiroshima and Nagasaki. And yet the nuclear holocaust survivors...